Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Intangible Assets [Line Items]
Gross Carrying Value	$ 248,683	$ 158,236
Gross Carrying Value	249,383	158,936
Accumulated Amortization	(36,831)	(23,498)
Net Carrying Value	211,852	134,738
Net Carrying Value	$ 212,552	$ 135,438
Weighted Average Useful Life (in years)	16 years	16 years
Trademark
Intangible Assets [Line Items]
Gross Carrying Value	$ 700	$ 700
Net Carrying Value	700	700
Technology—developed
Intangible Assets [Line Items]
Gross Carrying Value	82,169	53,315
Accumulated Amortization	(9,669)	(5,942)
Net Carrying Value	$ 72,500	$ 47,373
Weighted Average Useful Life (in years)	19 years	19 years
Patents
Intangible Assets [Line Items]
Gross Carrying Value	$ 240	$ 240
Accumulated Amortization	$ (240)	$ (240)
Weighted Average Useful Life (in years)	8 years	8 years
Customer relationships
Intangible Assets [Line Items]
Gross Carrying Value	$ 160,825	$ 101,460
Accumulated Amortization	(25,642)	(16,609)
Net Carrying Value	$ 135,183	$ 84,851
Weighted Average Useful Life (in years)	15 years	14 years
Trademark
Intangible Assets [Line Items]
Gross Carrying Value	$ 3,752	$ 2,160
Accumulated Amortization	(333)	(159)
Net Carrying Value	$ 3,419	$ 2,001
Weighted Average Useful Life (in years)	20 years	20 years
Other intangibles
Intangible Assets [Line Items]
Gross Carrying Value	$ 1,697	$ 1,061
Accumulated Amortization	(947)	(548)
Net Carrying Value	$ 750	$ 513
Weighted Average Useful Life (in years)	3 years	3 years